Ag-modified urchin-like WO₃ sensing material

Sensitivity 92.7 at 30 ppm

Targeting 3-hydroxy-2-butanone, a characteristic biomarker of Listeria monocytogenes, Ag nanoparticles chemically sensitize the surface, reduce activation energy, and enable highly sensitive detection.

Xingyu, Wang · Liu, Pingping · Cai, Haijie · Zhao, Cheng · Wu, Weihao · Zhou, Haixia · Zhang, Zhaohuan · Zhao, Yong · Zhu, Yongheng

Food Chemistry 2025

Advantages

Sensitivity (Ra/Rg) of 92.7 at 30 ppm 3H2B

Highly accurate detection of trace Listeria monocytogenes in dairy products